But boxing was popular once too. It peaked in the middle of the 20th century, but now it's insignificant. Even back then it was hard to ignore what happened to boxers. Mohammed Ali was the last straw.
10 amazing truths you already suspected / Go ahead, pretend you didn't know. Pretend it wasn't obvious. (Volume II!)
... Witness Malcolm Gladwell's half-stunning, half-obvious piece in a recent New Yorker, summed up thusly: nearly every football player in America, from high school on up through the NFL -- especially there -- will suffer some level of brain damage and head trauma, from moderate to severe to early-onset dementia, even after just a year or two of play, even if he never turns pro at all...Parents will start to discourage kids from playing high school football, and those with money will withdraw financial support for the high school game. Colleges will be successfully sued -- after all, they can hardly claim to be uninformed and they have a special responsibility to their students.